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Finding the Fourth Proportional to 212,840.84, 293,771.54 and 127,941.50

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Solution

The fourth proportional to 212,840.84, 293,771.54 and 127,941.50 is: 176,590.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,840.84 : 293,771.54 = 127,941.50 : x
  2. Step 2: Convert to fraction form
    212,840.84/293,771.54 = 127,941.50/x
  3. Step 3: Cross multiply
    212,840.84x = 293,771.54 × 127,941.50
  4. Step 4: Simplify right side
    212,840.84x = 37,585,571,484.91
  5. Step 5: Solve for x
    x = 37,585,571,484.91/212,840.84
  6. Step 6: Final answer
    x = 176,590.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.